Designation:D1864/D1864M−89(Reapproved2009)´1StandardTestMethodforMoistureinMineralAggregateUsedonBuilt-UpRoofs1ThisstandardisissuedunderthefixeddesignationD1864/D1864M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofmoistureinmineralaggregateforuseonbuilt-uproofs.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D75PracticeforSamplingAggregatesD1863SpecificationforMineralAggregateUsedonBuilt-UpRoofs3.SummaryofTestMethod3.1Theaggregateisdriedtoconstantmassina110°C[230°F]oven.Themasspercentmoistureiscalculatedasthelossinmassbasedonthemassoftheovendryaggregate.4.SignificanceandUse4.1ThistestmethodmeasuresthemoistureinmineralaggregaterequiredbySpecificationD1863.5.Apparatus5.1Balance,1000-g[2.2-lb]capacity,sensitiveto0.01%ofthecapacity.5.2Oven,largeenoughtoholdthesampleandcapableofmaintainingatemperatureof110°C[230°F]61%.5.3SampleContainer,consistingofanevaporatingdishorsimilarshallowcontainer.6.Sampling6.1SampleaggregatesreceivedinbulkinaccordancewithPracticeD75.6.2Foraggregatesreceivedinbagsorsmallcontainers,selectanumberofbagsorsmallcontainersatrandom,equivalenttothecuberootofthetotalnumberintheshipment.7.Procedure7.1Transfertoatareddish500g[1lb]61%o...